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What can you use Python generator functions for?
...ors give you lazy evaluation. You use them by iterating over them, either explicitly with 'for' or implicitly by passing it to any function or construct that iterates. You can think of generators as returning multiple items, as if they return a list, but instead of returning them all at once they re...
SQL Server dynamic PIVOT query?
...nto temp values ('3/1/2012', 'ABC', 1100.00)
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX);
SET @cols = STUFF((SELECT distinct ',' + QUOTENAME(c.category)
FROM temp c
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @q...
Are there legitimate uses for JavaScript's “with” statement?
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What are Runtime.getRuntime().totalMemory() and freeMemory()?
I've been wondering what the exact meaning of Runtime.getRuntime().totalMemory() , Runtime.getRuntime().freeMemory() , and Runtime.getRuntime().maxMemory() is.
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Difference between 'python setup.py install' and 'pip install'
I have an external package I want to install into my python virtualenv from a tar file.
What is the best way to install the package?
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What is the use for Task.FromResult in C#
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@StephenCleary hmhm, thanks for explaining that. I had assumed that await would spawn, but I tried it and I see it doesn't. Only Task.Run does. Therefore, x = await Task.FromResult(0); is equivalent to saying x = 0; that's confusing, but good to know!
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Why do we need the “event” keyword while defining events?
... This is a thousand times better than MSDN's official one-line explanation: 'The event keyword is used to declare an event in a publisher class.'
– cowlinator
Apr 13 '16 at 18:17
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UICollectionView inside a UITableViewCell — dynamic height?
...to layout each time you change the model (e.g.: you set a UILabel with a text, then the cell has to be layout again).
- (void)bindWithModel:(id)model {
// Do whatever you may need to bind with your data and
// tell the collection view cell's contentView to resize
[self.contentView setN...
Using git repository as a database backend
... some structured form (I'd prefer YAML, but it may just as well be JSON or XML).
5 Answers
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What is “lifting” in Haskell?
...a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words?
5 Answers
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